The use of N6-quinazoline-2,4,6-triamine, its derivatives, and prodrugs that present antimicrobial, antiparasitic, antiprotozoal, and antileishmanial activities, as well as its use as a drug in vertebrates. The container has a wall which defines an upwardly opening receptacle. The solution provides protection against forms of corrosion for use in applications where cooling is critical. Adjusting the delay time buffers will adjust the angle between printed data and the direction of the head motion. The membrane is capable of being depressed by a human finger to bring the sealing features together to substantially restrict fluid from passing through at least one of one of the ports, and is capable of being depressed additionally by a rolling motion of the finger to drive fluid through the other of the ports.